bees live in highly organized societies that adapt rapidly to their environment, but they are under increasing threat from humans. this film director spent five years researching why bees were dying out. his film aims to wake people up to the problem. >> over the last six years, 30% of the population has died every year in europe, north america, and china. in parts of switzerland, the number is 70%. sometimes in america, it is between 50% and 70%, but on average, 30% every year. if it keeps going on like that, our valleys will soon look pretty sad. >> they're dying because of mites, bacteria, and parasites, a result of large-scale beekeeping. >> >> it is like wit -- >> it is like we are capitalists. we want to grow. total global domination. >> miller looks after 15,000 hives. he moves them between plantations of apple and -- allman and apple blossom, transporting them all across the u.s. -- plantations of almond and apple blossom. >> in reality, agriculture has to work in partnership with the bees, but when i approached agriculture department's in switzerland, they said they had nothing to do